Generally, A colon works most effective with a complete grammatical sentence prior to it. When what follows the colon is usually an entire sentence, start out it using a capital letter, but normally don't capitalize after a colon besides exactly where doing this is needed for another reason, for example https://buyfavoritesdisposables.com/product/sour-apple-sorbet-%f0%9f%8d%8f-live-sugar-blend/